Godox X1R-C 32 Channels 2.4GHz Wireless Hot Shoe Flash Trigger Receiver for Canon DSLR 400D/500D Set/600 D Set/700D Set/60D/6D/70D/7D/760D/1D Set/5D/5D II/5D III Set HD LCD display easy for fill-in light,equipped with LCD,confortable backlights,cozy to use. Net Weight: 100g Size: 2.8 * 2.6 * 1.9 inch(70 * 65 * 47mm) Power Supply: AA battery Channel: 32